root@kubuntu:/# update-grub
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.2.0-23-generic-pae
Found initrd image: /boot/initrd.img-3.2.0-23-generic-pae
Found memtest86+ image: /memtest86+.bin
grub-probe: Fehler: no such disk.
done